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Source Naturals Theanine Serene with Relora 60 Tablets

Calm Mind & Body

This is a unique calming formula with specialized ingredients that promote alert relaxation without drowsiness.

L-Theanine is an amino acid found in aged black and green tea which, combined with other calming ingredients, helps to relax your mind and body while allowing you to maintain an alert mental state.

  • Buy 2 for £14.23 each and save 5%
  • Buy 3 for £13.48 each and save 10%
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Serene Science Theanine Serene with Relora contains the amino acid L-theanine to support relaxation and focused attention, and the calming neurotransmitter GABA. Taurine can support the movement of potassium out of neurons which may help prevent overexcitation of neurons. It also features magnesium to support muscle and nerve relaxation, calming holy basil leaf extract and Relora to gently soothe away the tension in your body. Relora contains magnolia and philodendron extracts which may help relieve temporary anxiety. Try Theanine Serene with Relora to start relaxing today.

Nutritional Information

Serving Size: 2 Tablets

Servings Per Container: 30

Ingredients  Typical Amount per Serving %RI*
Magnesium (as magnesium amino acid complex) 300mg 71
GABA (gamma-aminobutyric acid) 500mg **
Taurine 450mg **
L-Theanine 200mg **
Relora® (a proprietary blend of a patented extract from Magnolia officinalis bark and a proprietary extract from Phellodendron amurense bark) 150mg **
Holy Basil Leaf Extract 100mg **

* Reference Intake
** Reference Intake value not established



Sorbitol, Stearic acid, Modified cellulose gum, Hydroxypropyl cellulose, Magnesium stearate, and Silica.

Free From

Yeast, Dairy, Egg, Gluten, Soy, Wheat, Sugar, Preservatives, or Artificial colour, Flavour or Fragrance and suitable for vegetarians.

Directions of Use

2 tablets daily


Food supplements should not be used as a substitute for a varied diet.Do not exceed the stated dosage. Store in a cool, dry place, protected from light and heat. Keep out of sight and reach of children.


If you are pregnant, may become pregnant, or breastfeeding, or taking any medication including anti-depressant drugs such as MAOIs, SSRIs, or other neuropsychiatric drugs or supplements such as St. John’s wort, consult your health care professional before using this product. Excessive consumption may impair ability to drive or operate heavy equipment. Not recommended for consumption with alcoholic beverages.
Product Questions
About The Brand
About The Brand

Bigvits proudly offers Source Naturals, a trailblazing brand that has been leading the Wellness Revolution since its inception in 1982. Founded by CEO Ira Goldberg, Source Naturals' mission revolves around supporting individuals in achieving optimal health. They pioneered the concept of combining numerous nutrients, herbs, and nutraceuticals into a single formulation, setting the standard with their industry-leading immune support product, Wellness Formula®. With a portfolio of award-winning formulas, Source Naturals remains at the forefront of nutritional innovation. Their Bio-Aligned Formulas® align with the body's needs, addressing underlying causes of system imbalances through scientifically validated nutrients and research-backed potencies. At Bigvits, we resonate with Source Naturals' commitment to wellness, quality, and advocacy for a holistic approach to health.

Delivery & Returns

Delivery & returns

  • Free Delivery

    Same day dispatch on all orders placed before 14:30 (GMT) and free UK delivery on orders over £30

  • Click and Collect

    Click and Collect is available for customers who live within 25 miles of our Driffield warehouse

  • International Delivery

    European delivery options vary by country. Prices start from £4.95. Enter your address at checkout for a price

  • No Quibble Returns

    99% of customers love our products. We are confident you will too. 60 day money back guarantee